a rectangle
No, and neither does a triangle.
180 degrees are in a triangle.
All of the angles inside of any 4-sided figure add up to 360 degrees.
equilateral triangle
a rectangle
Yes. You would have to have a right angle and two 45 degree angles
The definition of a circle is not part of the triangle (or tringle, even) proportionality theorem.
The three inside angles of any tringle always add up to 180 degrees.
No.
its a paranormal place
axis
equilateral
5
Scalene.
No, and neither does a triangle.
No, because it has only one pair of parallel sides. A parallelogram's sides are always parallel to one another.